【Two Unlocking Modes】: This code key safe features a 4-digit digital code and an emergency button; you can define a maximum of 10,000 combinations. You can set your own passcode and change it regularly to increase security and make it harder to crack. Emergency keys can be more convenient in case you forget the code! 【Easy to Install】: This outside key box comes with 4 screws and 4 nylon wall anchors to ensure that the code key box can be mounted on any solid surface. No hassle or extra work required to drill a box into the wall at a much lower cost. 【Solid Construction】: Our wall key box is made of durable aluminum alloy, water-resistant. Corrosion and bad weather. Perfect for outdoor mounting. 【Wide Application】: This large outdoor key box can be widely used in home, garden, office, etc. It would be a great help for any occasion. It can help you store and secure your car key when surfing, instead of risking hiding it in the sand/under a rock, etc.